Spout arm



FIG. 1 is a perspective view of a spout arm showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side elevational view thereof, the right side view being a mirror image of the left side; and,

FIG. 6 is a bottom plan view thereof.

The broken lines in FIG. 3 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a spout arm, as shown and described. 